Sam and you are going to paint your room together. Sam takes 10 minutes to
paint 25 square feet. It takes you 5 minutes to paint 25 square feet. Sam says, "If we
paint together, then it will take 15 minutes for us to cover 50 square feet." Give an
explanation to convince Sam that she is incorrect.
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because its not easy to paint 50² feet because we might get easily tired of painting it so it might get more minutes to it but it need some height to reach it